## Check if the array can be sorted using swaps between given indices only

Given an array arr[] of size N consisting of distinct integers from range [0, N – 1] arranged in a random order. Also given a… Read More »

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Given an array arr[] of size N consisting of distinct integers from range [0, N – 1] arranged in a random order. Also given a… Read More »

Using STL library it is very easy to perform certain basic operations on array like Sorting, searching, sum of elements, finding minimum and maximum element… Read More »

Given an array arr[] of n positive integers. The task is to find elements arr[i] and arr[j] from the array such that arr[i]Carr[j] is maximum… Read More »

Every state is represented by string of length 2. For example DL is used for Delhi, HP for Himachal Pradesh, UP for Uttar Pradesh, PB… Read More »

Given a Complete Binary Tree as an array, the task is to print all of its levels in sorted order. Examples: Input: arr[] = {7,… Read More »

Given a connected graph with N vertices and M edges. The task is to print the lexicographically smallest DFS traversal of the graph starting from… Read More »

Given an integer k and an array arr[] representing the destination floors for N people waiting currently at the ground floor and k is the… Read More »

Given two arrays A1 and A2 of N numbers. There are two people A and B who select numbers out of N. If A selects… Read More »

Given N numbers(N is an even number). Divide the N numbers into N/2 pairs in such a way that the sum of squares of the… Read More »

Given an array arr[] of N integers and an integer S. The task is to find an element K in the array such that if… Read More »

Given two string A and B which represents two integers, the task is to print the maximized value of A after replacing 0 or more… Read More »

Given a string str containing lowercase alphabets (a – z). The task is to print the string after rearranging some characters such that the string… Read More »

Salesforce recently visited our campus BITS Pilani for the first time for Associate Member of Technical Staff role in Hyderabad. Round 1: Online Round (Hosted on… Read More »

Given student’s records with each record containing id, name and age of a student. Write a C program to read these records and display them… Read More »

Given three arrays names[], marks[] and updates[] where: names[] contains the names of students. marks[] contains the marks of the same students. updates[] contains the… Read More »